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Diffstat (limited to 'c/src/lib/libbsp/powerpc/qoriq/include/asm/fsl_hcalls.h')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/include/asm/fsl_hcalls.h | 653 |
1 files changed, 0 insertions, 653 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/include/asm/fsl_hcalls.h b/c/src/lib/libbsp/powerpc/qoriq/include/asm/fsl_hcalls.h deleted file mode 100644 index ba76c132aa..0000000000 --- a/c/src/lib/libbsp/powerpc/qoriq/include/asm/fsl_hcalls.h +++ /dev/null @@ -1,653 +0,0 @@ -/* - * Freescale hypervisor call interface - * - * Copyright 2008-2010 Freescale Semiconductor, Inc. - * - * Author: Timur Tabi <timur@freescale.com> - * - * This file is provided under a dual BSD/GPL license. When using or - * redistributing this file, you may do so under either license. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _FSL_HCALLS_H -#define _FSL_HCALLS_H - -#include <stdint.h> -#include <asm/epapr_hcalls.h> - -#define FH_API_VERSION 1 - -#define FH_ERR_GET_INFO 1 -#define FH_PARTITION_GET_DTPROP 2 -#define FH_PARTITION_SET_DTPROP 3 -#define FH_PARTITION_RESTART 4 -#define FH_PARTITION_GET_STATUS 5 -#define FH_PARTITION_START 6 -#define FH_PARTITION_STOP 7 -#define FH_PARTITION_MEMCPY 8 -#define FH_DMA_ENABLE 9 -#define FH_DMA_DISABLE 10 -#define FH_SEND_NMI 11 -#define FH_VMPIC_GET_MSIR 12 -#define FH_SYSTEM_RESET 13 -#define FH_GET_CORE_STATE 14 -#define FH_ENTER_NAP 15 -#define FH_EXIT_NAP 16 -#define FH_CLAIM_DEVICE 17 -#define FH_PARTITION_STOP_DMA 18 - -/* vendor ID: Freescale Semiconductor */ -#define FH_HCALL_TOKEN(num) _EV_HCALL_TOKEN(EV_FSL_VENDOR_ID, num) - -/* - * We use "uintptr_t" to define a register because it's guaranteed to be a - * 32-bit integer on a 32-bit platform, and a 64-bit integer on a 64-bit - * platform. - * - * All registers are either input/output or output only. Registers that are - * initialized before making the hypercall are input/output. All - * input/output registers are represented with "+r". Output-only registers - * are represented with "=r". Do not specify any unused registers. The - * clobber list will tell the compiler that the hypercall modifies those - * registers, which is good enough. - */ - -/** - * fh_send_nmi - send NMI to virtual cpu(s). - * @vcpu_mask: send NMI to virtual cpu(s) specified by this mask. - * - * Returns 0 for success, or EINVAL for invalid vcpu_mask. - */ -static inline unsigned int fh_send_nmi(unsigned int vcpu_mask) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_SEND_NMI); - r3 = vcpu_mask; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - -/* Arbitrary limits to avoid excessive memory allocation in hypervisor */ -#define FH_DTPROP_MAX_PATHLEN 4096 -#define FH_DTPROP_MAX_PROPLEN 32768 - -/** - * fh_partition_get_dtprop - get a property from a guest device tree. - * @handle: handle of partition whose device tree is to be accessed - * @dtpath_addr: physical address of device tree path to access - * @propname_addr: physical address of name of property - * @propvalue_addr: physical address of property value buffer - * @propvalue_len: length of buffer on entry, length of property on return - * - * Returns zero on success, non-zero on error. - */ -static inline unsigned int fh_partition_get_dtprop(int handle, - uint64_t dtpath_addr, - uint64_t propname_addr, - uint64_t propvalue_addr, - uint32_t *propvalue_len) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - register uintptr_t r5 __asm__("r5"); - register uintptr_t r6 __asm__("r6"); - register uintptr_t r7 __asm__("r7"); - register uintptr_t r8 __asm__("r8"); - register uintptr_t r9 __asm__("r9"); - register uintptr_t r10 __asm__("r10"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_GET_DTPROP); - r3 = handle; - -#ifdef CONFIG_PHYS_64BIT - r4 = dtpath_addr >> 32; - r6 = propname_addr >> 32; - r8 = propvalue_addr >> 32; -#else - r4 = 0; - r6 = 0; - r8 = 0; -#endif - r5 = (uint32_t)dtpath_addr; - r7 = (uint32_t)propname_addr; - r9 = (uint32_t)propvalue_addr; - r10 = *propvalue_len; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), - "+r" (r3), "+r" (r4), "+r" (r5), "+r" (r6), "+r" (r7), - "+r" (r8), "+r" (r9), "+r" (r10) - : : EV_HCALL_CLOBBERS8 - ); - - *propvalue_len = r4; - return r3; -} - -/** - * Set a property in a guest device tree. - * @handle: handle of partition whose device tree is to be accessed - * @dtpath_addr: physical address of device tree path to access - * @propname_addr: physical address of name of property - * @propvalue_addr: physical address of property value - * @propvalue_len: length of property - * - * Returns zero on success, non-zero on error. - */ -static inline unsigned int fh_partition_set_dtprop(int handle, - uint64_t dtpath_addr, - uint64_t propname_addr, - uint64_t propvalue_addr, - uint32_t propvalue_len) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - register uintptr_t r6 __asm__("r6"); - register uintptr_t r8 __asm__("r8"); - register uintptr_t r5 __asm__("r5"); - register uintptr_t r7 __asm__("r7"); - register uintptr_t r9 __asm__("r9"); - register uintptr_t r10 __asm__("r10"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_SET_DTPROP); - r3 = handle; - -#ifdef CONFIG_PHYS_64BIT - r4 = dtpath_addr >> 32; - r6 = propname_addr >> 32; - r8 = propvalue_addr >> 32; -#else - r4 = 0; - r6 = 0; - r8 = 0; -#endif - r5 = (uint32_t)dtpath_addr; - r7 = (uint32_t)propname_addr; - r9 = (uint32_t)propvalue_addr; - r10 = propvalue_len; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), - "+r" (r3), "+r" (r4), "+r" (r5), "+r" (r6), "+r" (r7), - "+r" (r8), "+r" (r9), "+r" (r10) - : : EV_HCALL_CLOBBERS8 - ); - - return r3; -} - -/** - * fh_partition_restart - reboot the current partition - * @partition: partition ID - * - * Returns an error code if reboot failed. Does not return if it succeeds. - */ -static inline unsigned int fh_partition_restart(unsigned int partition) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_RESTART); - r3 = partition; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - -#define FH_PARTITION_STOPPED 0 -#define FH_PARTITION_RUNNING 1 -#define FH_PARTITION_STARTING 2 -#define FH_PARTITION_STOPPING 3 -#define FH_PARTITION_PAUSING 4 -#define FH_PARTITION_PAUSED 5 -#define FH_PARTITION_RESUMING 6 - -/** - * fh_partition_get_status - gets the status of a partition - * @partition: partition ID - * @status: returned status code - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_partition_get_status(unsigned int partition, - unsigned int *status) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_GET_STATUS); - r3 = partition; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "=r" (r4) - : : EV_HCALL_CLOBBERS2 - ); - - *status = r4; - - return r3; -} - -/** - * fh_partition_start - boots and starts execution of the specified partition - * @partition: partition ID - * @entry_point: guest physical address to start execution - * - * The hypervisor creates a 1-to-1 virtual/physical IMA mapping, so at boot - * time, guest physical address are the same as guest virtual addresses. - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_partition_start(unsigned int partition, - uint32_t entry_point, int load) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - register uintptr_t r5 __asm__("r5"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_START); - r3 = partition; - r4 = entry_point; - r5 = load; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "+r" (r4), "+r" (r5) - : : EV_HCALL_CLOBBERS3 - ); - - return r3; -} - -/** - * fh_partition_stop - stops another partition - * @partition: partition ID - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_partition_stop(unsigned int partition) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_STOP); - r3 = partition; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - -/** - * struct fh_sg_list: definition of the fh_partition_memcpy S/G list - * @source: guest physical address to copy from - * @target: guest physical address to copy to - * @size: number of bytes to copy - * @reserved: reserved, must be zero - * - * The scatter/gather list for fh_partition_memcpy() is an array of these - * structures. The array must be guest physically contiguous. - * - * This structure must be aligned on 32-byte boundary, so that no single - * strucuture can span two pages. - */ -struct fh_sg_list { - uint64_t source; /**< guest physical address to copy from */ - uint64_t target; /**< guest physical address to copy to */ - uint64_t size; /**< number of bytes to copy */ - uint64_t reserved; /**< reserved, must be zero */ -} __attribute__ ((aligned(32))); - -/** - * fh_partition_memcpy - copies data from one guest to another - * @source: the ID of the partition to copy from - * @target: the ID of the partition to copy to - * @sg_list: guest physical address of an array of &fh_sg_list structures - * @count: the number of entries in @sg_list - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_partition_memcpy(unsigned int source, - unsigned int target, uint64_t sg_list, unsigned int count) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - register uintptr_t r5 __asm__("r5"); - register uintptr_t r6 __asm__("r6"); - register uintptr_t r7 __asm__("r7"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_MEMCPY); - r3 = source; - r4 = target; - r5 = (uint32_t) sg_list; - -#ifdef CONFIG_PHYS_64BIT - r6 = sg_list >> 32; -#else - r6 = 0; -#endif - r7 = count; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), - "+r" (r3), "+r" (r4), "+r" (r5), "+r" (r6), "+r" (r7) - : : EV_HCALL_CLOBBERS5 - ); - - return r3; -} - -/** - * fh_dma_enable - enable DMA for the specified device - * @liodn: the LIODN of the I/O device for which to enable DMA - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_dma_enable(unsigned int liodn) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_DMA_ENABLE); - r3 = liodn; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - -/** - * fh_dma_disable - disable DMA for the specified device - * @liodn: the LIODN of the I/O device for which to disable DMA - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_dma_disable(unsigned int liodn) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_DMA_DISABLE); - r3 = liodn; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - - -/** - * fh_vmpic_get_msir - returns the MPIC-MSI register value - * @interrupt: the interrupt number - * @msir_val: returned MPIC-MSI register value - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_vmpic_get_msir(unsigned int interrupt, - unsigned int *msir_val) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - - r11 = FH_HCALL_TOKEN(FH_VMPIC_GET_MSIR); - r3 = interrupt; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "=r" (r4) - : : EV_HCALL_CLOBBERS2 - ); - - *msir_val = r4; - - return r3; -} - -/** - * fh_system_reset - reset the system - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_system_reset(void) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_SYSTEM_RESET); - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "=r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - - -/** - * fh_err_get_info - get platform error information - * @queue id: - * 0 for guest error event queue - * 1 for global error event queue - * - * @pointer to store the platform error data: - * platform error data is returned in registers r4 - r11 - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_err_get_info(int queue, uint32_t *bufsize, - uint32_t addr_hi, uint32_t addr_lo, int peek) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - register uintptr_t r5 __asm__("r5"); - register uintptr_t r6 __asm__("r6"); - register uintptr_t r7 __asm__("r7"); - - r11 = FH_HCALL_TOKEN(FH_ERR_GET_INFO); - r3 = queue; - r4 = *bufsize; - r5 = addr_hi; - r6 = addr_lo; - r7 = peek; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "+r" (r4), "+r" (r5), "+r" (r6), - "+r" (r7) - : : EV_HCALL_CLOBBERS5 - ); - - *bufsize = r4; - - return r3; -} - - -#define FH_VCPU_RUN 0 -#define FH_VCPU_IDLE 1 -#define FH_VCPU_NAP 2 - -/** - * fh_get_core_state - get the state of a vcpu - * - * @handle: handle of partition containing the vcpu - * @vcpu: vcpu number within the partition - * @state:the current state of the vcpu, see FH_VCPU_* - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_get_core_state(unsigned int handle, - unsigned int vcpu, unsigned int *state) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - - r11 = FH_HCALL_TOKEN(FH_GET_CORE_STATE); - r3 = handle; - r4 = vcpu; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "+r" (r4) - : : EV_HCALL_CLOBBERS2 - ); - - *state = r4; - return r3; -} - -/** - * fh_enter_nap - enter nap on a vcpu - * - * Note that though the API supports entering nap on a vcpu other - * than the caller, this may not be implmented and may return EINVAL. - * - * @handle: handle of partition containing the vcpu - * @vcpu: vcpu number within the partition - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_enter_nap(unsigned int handle, unsigned int vcpu) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - - r11 = FH_HCALL_TOKEN(FH_ENTER_NAP); - r3 = handle; - r4 = vcpu; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "+r" (r4) - : : EV_HCALL_CLOBBERS2 - ); - - return r3; -} - -/** - * fh_exit_nap - exit nap on a vcpu - * @handle: handle of partition containing the vcpu - * @vcpu: vcpu number within the partition - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_exit_nap(unsigned int handle, unsigned int vcpu) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - register uintptr_t r4 __asm__("r4"); - - r11 = FH_HCALL_TOKEN(FH_EXIT_NAP); - r3 = handle; - r4 = vcpu; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3), "+r" (r4) - : : EV_HCALL_CLOBBERS2 - ); - - return r3; -} -/** - * fh_claim_device - claim a "claimable" shared device - * @handle: fsl,hv-device-handle of node to claim - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_claim_device(unsigned int handle) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_CLAIM_DEVICE); - r3 = handle; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} - -/** - * Run deferred DMA disabling on a partition's private devices - * - * This applies to devices which a partition owns either privately, - * or which are claimable and still actively owned by that partition, - * and which do not have the no-dma-disable property. - * - * @handle: partition (must be stopped) whose DMA is to be disabled - * - * Returns 0 for success, or an error code. - */ -static inline unsigned int fh_partition_stop_dma(unsigned int handle) -{ - register uintptr_t r11 __asm__("r11"); - register uintptr_t r3 __asm__("r3"); - - r11 = FH_HCALL_TOKEN(FH_PARTITION_STOP_DMA); - r3 = handle; - - asm volatile("bl epapr_hypercall_start" - : "+r" (r11), "+r" (r3) - : : EV_HCALL_CLOBBERS1 - ); - - return r3; -} -#endif |